Journal article
Rapid evolution of major histocompatibility complex Class I genes in primates generates new disease alleles in humans via hitchhiking diversity
Genetics, Vol.173(3), pp.1555-1570
2006
Abstract
A plausible explanation for many MHC-linked diseases is lacking. Sequencing of the MHC class I region (coding units or full contigs) in several human and nonhuman primate haplotypes allowed an analysis of single nucleotide variations (SNV) across this entire segment. This diversity was not evenly distributed. It was rather concentrated within two gene-rich clusters. These were each centered, but importantly not limited to, the antigen-presenting HLA-A and HLA-B/-C loci. Rapid evolution of MHC-I alleles, as evidenced by an unusually high number of haplotype-specific (hs) and hypervariable (hv) (which could not be traced to a single species or haplotype) SNVs within the classical MHC-I, seems to have not only hitchhiked alleles within nearby genes, but also hitchhiked deleterious mutations in these same unrelated loci. The overrepresentation of a fraction of these hvSNV (hv1SNV) along with hsSNV, as compared to those that appear to have been maintained throughout primate evolution (trans-species diversity; tsSNV; included within hv2SNV) tends to establish that the majority of the MHC polymorphism is de novo (species specific). This is most likely reminiscent of the fact that these hsSNV and hv1SNV have been selected in adaptation to the constantly evolving microbial antigenic repertoire.
Details
- Title
- Rapid evolution of major histocompatibility complex Class I genes in primates generates new disease alleles in humans via hitchhiking diversity
- Authors/Creators
- T. Shiina (Author/Creator)M. Ota (Author/Creator)S. Shimizu (Author/Creator)Y. Katsuyama (Author/Creator)N. Hashimoto (Author/Creator)M. Takasu (Author/Creator)T. Anzai (Author/Creator)J. Kulski (Author/Creator)E. Kikkawa (Author/Creator)T. Naruse (Author/Creator)N. Kimura (Author/Creator)K. Yanagiya (Author/Creator)A. Watanabe (Author/Creator)K. Hosomichi (Author/Creator)S. Kohara (Author/Creator)C. Iwamoto (Author/Creator)Y. Umehara (Author/Creator)A. Meyer (Author/Creator)V. Wanner (Author/Creator)K. Sano (Author/Creator)C. Macquin (Author/Creator)K. Ikeo (Author/Creator)K. Tokunaga (Author/Creator)T. Gojobori (Author/Creator)H. Inoko (Author/Creator)S. Bahram (Author/Creator)
- Publication Details
- Genetics, Vol.173(3), pp.1555-1570
- Publisher
- Genetics Society of America
- Identifiers
- 991005543452607891
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- International collaboration
- Citation topics
- 1 Clinical & Life Sciences
- 1.6 Immunology
- 1.6.607 MHC Diversity
- Web Of Science research areas
- Genetics & Heredity
- ESI research areas
- Molecular Biology & Genetics